IltmmConvert::GetSubObject
#include "ltmm.h"
C Syntax |
HRESULT IltmmConvert__getSubObject(pConvert, ObjType, ppObject) |
C++ Syntax |
HRESULT GetSubObject(ObjType, ppObject) |
IltmmConvert *pConvert; |
/* pointer to an interface */ |
long ObjType |
/* object to retrieve */ |
IUnknown **ppObject; |
/* pointer to a pointer */ |
Retrieves the specified graph object.
Parameter |
Description |
pConvert |
Pointer to an IltmmConvert interface. |
ObjType |
Value that indicates the graph object to retrieve. This must be one of the ltmmConvert_Object constants. |
ppObject |
Pointer to a variable that receives a the object's interface pointer. |
Returns
S_OK |
The function was successful. |
<> S_OK |
An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation. |
Comments
If the function succeeds, the user should release the returned interface pointer by calling the interface’s Release method.
To obtain objects (including a filter being cached) from the convert graph, use the IltmmConvert::GetSubObject function.
Required DLLs and Libraries
LTMM For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
See Also
Example
For an example, refer to Directly Accessing the Direct Show Objects.